– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 pm Sun 25 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 25 Oct Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 36mm), heaviest during Wed morning. Mild temperatures (max 8°C on Sun night, min 4°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Wed night. Mild temperatures (max 8°C on Sat afternoon, min 3°C on Thu morning). Wind will be generally light. | |||||||||||||||
Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  | |  | | | | | | | |  | |
rain shwrs | light rain | light rain | mod. rain | light rain | mod. rain | mod. rain | rain shwrs | light rain | mod. rain | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | some clouds | |
Cloud base (m) | 2000 | 750 | 550 | 550 | 550 | 550 | 550 | 600 | 600 | 600 | 650 | 750 | 2150 | 600 | 700 | 1650 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.3 | 3 | 1.7 | 6 | 2 | 6 | 7 | 5 | 5 | 9 | 0.2 | 0.5 | 0.3 | 1 | 0.4 | — |
max °C | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 5 | 6 | 4 | 4 | 5 | 4 |
min °C | 7 | 7 | 7 | 7 | 6 | 5 | 4 | 4 | 5 | 4 | 3 | 6 | 3 | 3 | 5 | 3 |
chill °C | 6 | 7 | 7 | 7 | 5 | 3 | 2 | 4 | 5 | 4 | 2 | 5 | 1 | 3 | 5 | 2 |
Freezing level m | 2050 | 1600 | 1600 | 1550 | 1350 | 1300 | 1150 | 1200 | 1250 | 1150 | 1250 | 1400 | 1450 | 1100 | 1300 | 1550 |
 | — | 7:43 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — | 7:50 | — | — |
 | — | — | 5:58 | — | — | 5:55 | — | — | 5:54 | — | — | 5:52 | — | — | 5:51 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 36mm), heaviest during Wed morning. Mild temperatures (max 8°C on Sun night, min 4°C on Tue night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Wed night. Mild temperatures (max 8°C on Sat afternoon, min 3°C on Thu morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.